ἀφοβέω
From LSJ
νοεῖν γάρ ἐστι κρεῖττον καὶ σιγὴν ἔχειν → it's better, you see, to understand and yet say nothing (Menander)
English (LSJ)
to be fearless, Sch.Opp.H.3.355.
Spanish (DGE)
ser intrépido, no tener miedo ἀτρομέοντες· ἀφοβοῦντες, ἄφοβοι ὄντες Sch.Opp.H.3.355.